Hydrology of area 54, Northern Great Plains, and Rocky Mountain coal provinces, Colorado, and Wyoming /

Mode of access: Internet.

Hydrology of area 10, Eastern Coal Province, West Virginia /

Mode of access: Internet.

Hydrology of area 29, Eastern Region, Interior Coal Province, Illinois /

Mode of access: Internet.

Hydrology of area 49, northern Great Plains and Rocky Mountain coal provinces, Montana and Wyoming /

Mode of access: Internet.

Hydrology of area 34, eastern region, interior coal province, Kentucky, Indiana and Illinois /

Mode of access: Internet.

The South Staffordshire coal-field.

Mode of access: Internet.

Coal

Mode of access: Internet.

Annual coal and non-metallic mineral report with directories of reporting firms for .

Description based on: 1952.

Water quality of selected streams in the coal area of east-central Montana /

Prepared in cooperation with the U.S. Bureau of Land Management and the Montana Department of Fish and Game.

Hydrology of area 13, Eastern Coal Province, Kentucky, Virginia, and West Virginia /

Mode of access: Internet.

A. S. T. M. standards on coal and coke.

Mode of access: Internet.

The mineral industry of the British empire and foreign countries. Statistics, 1920-1922. Coal, coke & by-products.

At head of title: Imperial mineral resources bureau.

Hand book for coal salesmen.

Mode of access: Internet.

Joint Conference of the Illinois Coal Operators Association, the Coal Operators Association of the Fifth and Ninth Districts of Illinois, the Central Illinois Coal Operators Association and the United Mine Workers of America, District No. 12. Peoria, Illinois, April 2 to May 5, 1914.

Mode of access: Internet.

The construction of gas-works and the manufacture and distribution of coal gas /

Includes index.